MBCS_Tests testcases were failed by 20 EA

[takiguc]

Describe the bug
According to following link, "MBCS_Tests" testcases were failed
https://ci.adoptium.net/view/Test_grinder/job/Grinder_Simple/357/tapResults/
452 tests, 100 ok, 4 not ok, 348 skipped, 0 ToDo, 0 Bail Out!

Linux

FAILED test targets:
	MBCS_Tests_datetime_formatter_0 
	MBCS_Tests_compact_number_format_ja_JP_linux_0 
	MBCS_Tests_codepoint_linux_0 
	MBCS_Tests_unicode_linux_0 

TOTAL: 452   EXECUTED: 104   PASSED: 100   FAILED: 4   DISABLED: 0   SKIPPED: 348

Windows

FAILED test targets:
	MBCS_Tests_codepoint_windows_0 
	MBCS_Tests_datetime_formatter_0 
	MBCS_Tests_unicode_windows_0 

TOTAL: 452   EXECUTED: 88   PASSED: 85   FAILED: 3   DISABLED: 0   SKIPPED: 364

Note: MBCS_Tests_compact_number_format_windows_0 is skipped if OS is not Japanese Windows.

Java version information

openjdk version "20-beta" 2023-03-21
OpenJDK Runtime Environment Temurin-20+36-202303030331 (build 20-beta+36-202303030331)
OpenJDK 64-Bit Server VM Temurin-20+36-202303030331 (build 20-beta+36-202303030331, mixed mode, sharing)

To Reproduce
Grinder_Simple parameters link is as follows:
https://ci.adoptium.net/view/Test_grinder/job/Grinder_Simple/357/parameters/
PLATFORM: x86-64_linux
BUILD_LIST: functional/MBCS_Tests
TARGET: special.functional
SDK_RESOURCE: nightly
JDK_VERSION: 20
JDK_IMPL: hotspot
LABEL: test-ibmcloud-ubuntu1604-x64-1
(Note: some x86-64_linux test machines don't have MBCS locales, at least above machine has MBCS locales)

Expected behavior
MBCS_Tests_datetime_formatter / MBCS_Tests_compact_number_format / MBCS_Tests_codepoint / MBCS_Tests_unicode should not be failed.

It seems this issue is related following changes:

• JDK-8284842 Update Unicode Data Files to 15.0.0
• JDK-8284840 Update CLDR to Version 42.0
  • CLDR-11510 Fix first day of week info for China (CN)
  • CLDR-15966 Japanese: Support numbers up to 9999京